The T&S Brass B-3940 is a reliable drain valve designed for efficient waste management in sinks. Featuring a twist handle for easy operation, this waste valve accommodates a 3" sink opening and includes a 2" drain outlet with a 1-1/2" adapter for versatile installation options. It serves as a direct replacement for models B-3910 and B-3914, ensuring compatibility and convenience for your plumbing needs. Durable construction guarantees long-lasting performance, making it an essential component for any commercial or residential sink setup.